6.8

CVE-2022-4645: fedoraproject fedora Out-of-bounds Read

CVSS: 6.8v3.1MediumModified
AliasesALPINE-CVE-2022-4645MGASA-2023-0113RHSA-2024:3059
Published 03-03-2023Last modified 04-04-2025

Vulnerability summary

CVE-2022-4645 is a medium (CVSS 6.8) Out-of-bounds Read vulnerability in fedoraproject fedora. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 2

Timeline

  1. 03-03-2023
    PublishedVulnerability first disclosed.
  2. 04-04-2025
    Last modifiedVulnerability information updated.

Description

LibTIFF 4.4.0 has an out-of-bounds read in tiffcp in tools/tiffcp.c:948, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit e8131125.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

0.00 pp

From 0.43% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Redhat6 products
  • libtiff< 0:4.0.9-31.el8
  • libtiff-debuginfo< 0:4.0.9-31.el8
  • libtiff-debugsource< 0:4.0.9-31.el8
  • libtiff-devel< 0:4.0.9-31.el8
  • libtiff-tools< 0:4.0.9-31.el8
Alpine1 product
  • tiff< 4.4.0-r2
Debian1 product
  • tiff< 4.4.0-5
Fedoraproject1 product
Libtiff1 product
  • libtiff≤ 4.4.0 | ≥ 3.5.1, ≤ 4.4.0
Mageia1 product
  • libtiff< 4.2.0-1.15.mga8
Ubuntu1 product
  • tiff< 4.0.3-7ubuntu0.11+esm5 | < 4.0.6-1ubuntu0.8+esm7 | < 4.0.9-5ubuntu0.8 | < 4.1.0+git191117-2ubuntu0.20.04.6 | < 4.3.0-6ubuntu0.2

7 vendors · 12 products

References

21 links
Show all 21 references